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What’s this? Answer follows. And I just stumbled onto this blog . . . Crewboat Chronicles. Crew boat or crewboat?
OK . . . asking questions seems to be where this post wants to head. What’s Stagetide? The foto was taken on the hard not far north of Atlantic City and with the help of Fred Mallett.
Here are two crewboats I got a blurry foto of a few weeks ago in the KVK.
Crewboat Sabine plays lots of roles. Is she doing a visual inspection of dredge pipe here?
She also ferries crew and supplies between shore and projects, hydrographically surveys an area pre- and post-material removal, and shoos away non-project boats getting too close to the work. Sabine was built in New Iberia in 1980.
I’ve not been able to find out much about Stagetide.
Circling back to the top foto . . . it was the Swiftboat from the Washington Navy Yard, a vessel whose design alludes to its crewboat origins, I think. Here’s a post I did two years ago on swiftboats.
All fotos by Will Van Dorp.
Related: The Bayonne Bridge logo I’ve used on this blog since 2006 was taken from the USACE vessel . . . Hocking. I believe that’s a crewboat, the first I ever rode in. Anyone know where Hocking was built?
Here’s where the “leverman” sits for a twelve-hour shift as the C. R. McCaskill slews port to starboard 400′ once each three and a half minutes. Another way of saying that is the dredge moves using a five-point mooring system: two swing anchors, two breast anchors and one stern anchor to move forward or back. A different configuration uses a spudded idler barge; in this case, the “swing” is longer and takes more more time. Food gets delivered so that the leverman aka dredge operator can monitor all these screens and respond so that dredging can proceed 24/7 as long as equipment and conditions permit. More on food later.
Slewing . . . drawing on cables attached to positioned anchors and pivoting on a stern point . . . requires that the 30” diamater hose be able to flex. Hence, the easy curved slack before the piping to the beach.
The crewboat in the distance alternates between hydrographic survey work and other tasks. More on that in a moment. More crewboats in a future post.
Attachment at the stern is a ball and socket joint . . . like your hip.
Here’s the starboard GE engine, part of the power supply to the dredge.
Here is another view of the two huge hull-mounted pumps that do the work.
Another task of the crewboat is illustrated here: recreational boaters sometimes allow their curiosity to override any sense of danger caused by a busy, slewing dredge.
The helicopter happened to be here on assignment to photograph the work from the air.
About the food, here’s mission control presided over by Edwina Arthur, a member of the 30-50 person crew.
Food rules and pecking order are clearly posted.
Captain Randy Guidry, my host for this tour, proudly displays the builder’s plate, Corn Island Shipyard in Indiana, where the hull was constructed.
As I stated in the previous post, McCaskill’s part in the dredging/beach replenishment has now ended and vessels and crew have moved south for the next job.
Many thanks to Captain Guidry, Jan Andrusky, and all the other fine folks at Weeks Marine for this tour.
All fotos, text, and (any inadvertent errors) by Will Van Dorp.
Here and here are previous posts on a Rockaway Beach replenishment dredging operation that has now ended. Sea Wolf is still local, but the vessel on the horizon (“atop” the red buoy) has now moved to southern NJ. Remember, for most fotos, doubleclick enlarges.
Weeks’ Trevor was assisting in this project.
Also assisting was George W.
But here’s the powerhouse, the dredge. Let’s take a tour.
In spite of about 16,000 total horsepower, C. R. McCaskill is not self-propelled. To see what towed the dredge to the south, see the foto at the end of this post. All that power moves the cutterhead on the submerged arm (called a “ladder”) that extends to the sand at the bottom of the Channel here. At the top end of the ladder are two huge pumps (you could stand inside the pump housing) that suck the sand and whatever else off the bottom and send it as a slurry to a point on the beach some miles away. Click here for a pdf that shows the beautiful (ok . . . roll your eyes) virgin red cutterhead with green teeth. Each tooth weighs around 35 pounds!
Here inside the dredge are some
interesting astounding facts about the machine.
See the sand colored building on the horizon off the stern of McCaskill? That’s the area around 105th St. Rockaway Beach where the sand is headed through piping powered by this vessel. The first few fotos in this post were taken at that beach. There’ll be another Rockaway post soon.
Candace towed C. R. McCaskill south. I missed her when she was in town, but John Skelson caught her here. Click on the foto to see John’s complete shot. Many thanks to John for use of that shot from his Flickr page.
All fotos by Will Van Dorp, except for the one shared by John Skelson. For more info on each of the Weeks tugs, click here. More McCaskill tomorrow.
This post is similar to the Loose Ends 1 post I did about the strip of Jersey that faces Manhattan.
Know the place in the foto below? It’s changing quickly. I took this foto yesterday, August 27, 2013. More on this pier later in this post.
Know this place? I took this foto July 4, 2012; Maurania III and P. O. Edward Byrne were there for the fireworks. It’s had many lives and is about to change again. Pier 57 was built around the time I was born after a fire destroyed its predecessor.
Pier 56 . . . as shown in this foto by Seth Tane in the early 1980s . . . is now habitat, as shown here.
The top foto shows Cromwell Pier, a place I never visted. Click here for a great set of memories showing folks who did.
If you used to frequent this section of Staten Island, get down there today if you want to see the last of it.
More piers soon.
Other than Seth’s, these fotos . . by Will Van Dorp.
For my favorite bowsprite pier post, click here for some eerie pics.
This was the fountain this morning.
Once the slurry exits the mouth, water flows back into the ocean and sand is pushed up the beach.
This repurposed container is project headquarters.
The top foto comes thanks to Barbara Barnard; all others by Will Van Dorp.
I’m back, with lots of gallivanting to catch up, but first . . a whole lotta fotos from this morning in the sixth boro. Any ideas what’s going on here? What is that gray blur in the center of the foto and why are the gulls so frenzied? Be forewarned . . . this post has so many twists/turns . . . it’s divided into parts, even though I took all these fotos in the span of less than an hour.
Answer: It’s how over three million cubic yards of sand is being added to Rockaway Beach . . at least for a while. Here’s what the NY Daily News says about it. Here’s an article and video from Dredging Today.
And here . . . off in the Rockaway Inlet are the machines mining and pumping the sand, seen closer up in this recent tugster post.
Part 2. Notice the piping coming from the stern of McCaskill.
I could not resist wondering about these birds whose name rhymes with “lovers.”
Part 3. Follow this sweep of fotos as I turn to the left.
An Atlantic City billboard on Far Rockaway? Is a mixed up sense of geography part of Sandy’s legacy? I keep turning left.
See the silvery cars of the A train? It’s a Boardwalk Empire set in the wasteland of eastern Rockaway Beach . . . . I was hoping to buy some of that food at those prices!
Of course, I had to look behind.
I half expected to find some Aral Sea boats back here too.
Part 4. Once back on the boardwalk, I saw this fishing boat about a quarter mile from shore. I’m guessing it’s unrelated to the sand piping and pumping, but . . . who knows.
All fotos today by Will Van Dorp.
So what travels through this piping?
For more technical info on McCaskill‘s capabilities, read this article by my friend Brian Gauvin and published in the August 2013 issue of Professional Mariner magazine. In the article, he talks about McCaskill‘s ability to send dredge spoils six miles through a pipe to restore and create marshes to serve as hurrican barriers in Louisiana.
So although I haven’t seen it happen yet, I’m concluding that this vessel can pump whatever comes from the East Rockaway Inlet to the location three or so miles to the west, where you saw Trevor, George W, and Sea Wolf operating in yesterday’s post.
Three years ago I took fotos on another cutterhead suction dredge– one that’s a half century old–operating in the KVK back in 2010. Click here for some of those fotos, including one that shows the size of the pump used to move dredge spoils from point of ”collection” to point of “use.”
All fotos by Will Van Dorp, who most recently saw a Weeks tug at work in a dredging project in a North Carolina Inlet. My question is . . . does anyone have fotos to share of C. R. McCaskill‘s transit from its inaugural work in Louisiana to its current location in the sixth boro?
And Sabine . . . looks like she was launched back in 1980 from here.
Thisjust in . . . the Daily News story on this post-Sandy project, as seen from a politicophile POV.
there’s a tube in the water, there must
be a shear leg or
two lurking nearby, although I wonder if these are shear legs . . . technically speaking.
I’m not positive what Sea Wolf
George W, and
and Trevor were doing . . . other than arranging the dredge spoils pipe,
with Sabine monitoring . . .
ut it has to do with the mother dredger ship some distance away. Fotos of her . . tomorrow. And if there’s a dredger’s rainbow and someone gets a pic, I’d love to see it.
All fotos by Will Van Dorp, who found a reason to lurk awhile along NYC’s Copacabana/Ipanema . . . .
Click here for an account of gallivants in and around Ocracoke and Hatteras Inlets as well as my connection to these waters. Beaufort Inlet–near Cape Lookout–is scheduled for some depth maintenance these days with Marinex Construction excavating what McFarland count not extract. Katherine Weeks enters the inlet from sea with a light scow.
The only USACE presence I saw was Snell. USACE awarded Marinex the contract to subtract a half million tons of sand from beneath these waves.
I believe this is cutterhead/pipleine dredge Savannah, connected by pipeline to this
scow and loading equipment.
When Katherine tows the loaded scow out–here past Sea Quest II, a dive boat (more on that later)
Na Hoku-formerly a K-Sea vessel–
tails. The Sea Knight helicopter
just happened overhead. I’d love the view from a helicopter here.
Once through the narrow inlet, Katherine heads out for the dumping area and Na Hoku returns to its holding station.
Who knew the inlet could be this busy . . . l to r: Grace Moran, Aurora, Na Hoku, and Salamina1. More on the last one on that list tomorrow. Aurora, listed as a sulphur carrier, carries PotashCorp colors.
Potash Corp has their big mine about 35 miles from here, as the pelicans fly.
Chief is clearly a Marinex tug.
I’m not sure the ID of the inbound vessel here passing Chief, here heading out to the dredge.
All fotos by Will Van Dorp.
OK . . . I fail here. Which Moran and which McAllister are those in the Sunday morning chop?
Quick post: Shelby 1978.
Evening Tide 1970.
Jay Michael 1980 doing a re-enactment of my December 15, 2012 post here (scroll to third foto).
Long time no see . . . Superior Service 1981.
North Sea 1982.
Laura K. Moran 2008.
Resolute 1975 and Discovery Coast 2012.
All fotos taken in April by Will Van Dorp, who’s feeling it’s significant that so many of these are stern shots . . . i.e., I’m struggling to keep up today.